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	{{Short description\|Theoretical physicist and co-founder of density functional theory}}		{{Short description\|Theoretical physicist and co-founder of density functional theory}}
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	{{Short description\|Theoretical physicist and co-founder of density functional theory}}		{{Short description\|Theoretical physicist and co-founder of density functional theory}}
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{{Short description|Theoretical physicist and co-founder of density functional theory}}
{{Infobox scientist
| name = Walter Kohn
| image = Walter_Kohn.jpg
| caption = Walter Kohn
| birth_date = 9 March 1923
| birth_place = Vienna, Austria
| death_date = 19 April 2016
| death_place = Santa Barbara, California, United States
| fields = Theoretical physics; condensed matter physics; quantum chemistry
| work_institutions = Carnegie Mellon University; University of California, San Diego; University of California, Santa Barbara
| alma_mater = University of Toronto; Harvard University
| known_for = Density functional theory; Kohn-Sham equations; electronic structure theory
| awards = Nobel Prize in Chemistry (1998)
}}

'''Walter Kohn''' (9 March 1923 - 19 April 2016) was an Austrian-American theoretical physicist whose work made density functional theory a practical foundation for quantum chemistry and materials calculations.

== Quantum context ==
Kohn's work with Lu Jeu Sham reformulated the many-electron quantum problem in terms of an electron density and an auxiliary system of single-particle equations. The resulting Kohn-Sham method became one of the most widely used tools for electronic structure.

In the Quantum Collection he is linked from computational quantum chemistry because density functional theory is a bridge between quantum many-body theory, chemistry, and materials science.

== Linked Quantum Collection pages ==
* [[Physics:Quantum computational chemistry]]
* [[Physics:Quantum chemistry]]
* [[Physics:Quantum molecular orbital]]
* [[Physics:Quantum materials solid state]]

== References ==
{{reflist|3}}
* {{Cite web |title=The Nobel Prize in Chemistry 1998 |url=https://www.nobelprize.org/prizes/chemistry/1998/summary/ |publisher=Nobel Prize Outreach |access-date=2026-05-23}}
* {{Cite journal |last=Kohn |first=W. |author2=Sham, L. J. |year=1965 |title=Self-Consistent Equations Including Exchange and Correlation Effects |journal=Physical Review |volume=140 |issue=4A |pages=A1133-A1138 |doi=10.1103/PhysRev.140.A1133}}

{{Author|Harold Foppele}}

{{Sourceattribution|Biography:Walter Kohn|1}}

Biography:Walter Kohn - Revision history

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